Comparison

SmartSign vs Ring

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Measure,Size,Tape,Measuring

Free

🔧 Utilities

No ratingsView app →

About

SmartSign

Features

Read full description

The SmartSign app allows users to perform 2-factor authentication when using websites and services that have integrated the SmartSign strong authentication system.

About

Ring

Features

Read full description

Discover the perfect fit with our Ring Sizer app. Effortlessly measure your ring size at home with precision and convenience. Simply place your ring on your device screen, adjust the sizing circles, and find your exact ring size in seconds. Ideal for both personal use and as a tool for jewelers, our app ensures you get the perfect fit every time. Say goodbye to guesswork and ensure comfort with our easy-to-use ring sizer. Perfect for any occasion where a precise ring fit is essential. Privacy Policy: https://www.privacypolicies.com/live/fb8a9a63-d471-4d19-a11d-47f8e6cc9828 Terms Of Use: https://projectuser-gl.github.io/terms/ring-sizer.html

Screenshots

SmartSign1 screens

Ring4 screens

Verdict

The call

The clearest difference is in-app purchases: SmartSign at none against Ring's 2. SmartSign also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.5). On price, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ring sells 2 in-app purchases, starting at $3.99 per 7 days. SmartSign asks for nothing beyond the download.

UpkeepUpdate frequency

SmartSign ships an update every 4 weeks, Ring every 6 weeks. The most recent releases landed on September 25, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 3 level

SmartSign versus Ring: the parameters behind the verdict, then further details
Parameter	SmartSign	Ring
Price	Free	Free
Update frequency	Every 4 weeks — better	Every 6 weeks
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	9.0 — better	17.5
Further details — not scored
Size	1 MB	1 MB
Age rating	4+	4+
Developer	Microcosm Ltd	Muhammed Efdal incesu

In-app purchases

None

SmartSign

No in-app purchases

2 purchases

Ring

Subscriptions1

Ring Sizer Weekly Premium3 Days trial$3.997 Days

One-time1

Ring Sizer Premium$17.99

Questions

Is SmartSign free?

SmartSign is free to download, with no in-app purchases.

Is Ring free?

Ring is free to download, with in-app purchases available.

Do SmartSign or Ring have ads?

Neither SmartSign nor Ring shows ads.

Which is updated more often, SmartSign or Ring?

SmartSign ships an update every 4 weeks, and Ring every 6 weeks. Most recently, SmartSign was updated on September 25, 2026 and Ring on October 4, 2026.